Thanks, that was it! I had misunderstood the -i option.
Devananda
jandersson@stripped wrote:
>Hi,
>Data is checkpointed to disk (asynchronously) and a redo log is periodically
>flushed to disk.
>
>It sounds you do an initial start every time you start the cluster, thus wiping
>out the data (or you have set DiskLess: 1 in config.ini)
>When you _restart_ the cluster, you must _not_ restart the db nodes with 'ndbd
>-i' or 'ndbd --initial' , just start all nodes with 'ndbd' . This will do a
>system recovery based on the checkpointed information and redo logs.
>
>Regarding the disk data feature, look at other mail threads. It has been
>discussed.
>
>
>good luck!
>johan andersson
>
>Quoting Devananda <devananda@stripped>:
>
>
>
>>Hi all,
>>
>>Sorry if this is a basic question, but it's unclear to me at this point
>>whether the cluster stores its data on the disk, or purely in memory,
>>and what the plans are for this in the future. Basically, the problem
>>I've got is this: I put my data in the cluster and stop/start the
>>cluster, and all my data's gone. I understand that ideally, one would
>>never have to stop the cluster, but realistically, what if there's a
>>power failure or other disaster? I can't have all the data just *poof*
>>away. And if I were able to run an ordinary backup server (say InnoDB)
>>to replicate what is in the cluster, then I really wouldnt need a
>>cluster at all. Now ... I notice that before I stop the DB nodes, the
>>data directory is very large -- is the data stored there, and is it in a
>>recoverable format, and if so, why doesn't my cluster restart with it's
>>last known data?
>>
>>If there's a page on the website that talks about this (that I've
>>mysteriously overlooked) please point me there :-)
>>
>>
>>Thanks,
>>
>>Devananda
>>Neopets, Inc.
>>
>>--
>>MySQL Cluster Mailing List
>>For list archives: http://lists.mysql.com/cluster>>To unsubscribe: http://lists.mysql.com/cluster?unsub=1>>
>>
>>
>>
>
>
>
>
>----------------------------------------------------------------
>This message was sent using IMP, the Internet Messaging Program.
>
>
>

Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not necessarily represent the opinion of Oracle or any other party.